1. Secretariat (1973)

1. Secretariat (1973)

Handout photo

Some argue that Secretariat was the best racehorse in history, and there is certainly no argument about whether he was the best to win the Triple Crown. The chestnut colt still holds the fastest times in all three races, including running the Preakness in 1 minute and 53 seconds and winning the Belmont Stakes by 31 lengths.

Some argue that Secretariat was the best racehorse in history, and there is certainly no argument about whether he was the best to win the Triple Crown. The chestnut colt still holds the fastest times in all three races, including running the Preakness in 1 minute and 53 seconds and winning the Belmont Stakes by 31 lengths. (Handout photo)

Some argue that Secretariat was the best racehorse in history, and there is certainly no argument about whether he was the best to win the Triple Crown. The chestnut colt still holds the fastest times in all three races, including running the Preakness in 1 minute and 53 seconds and winning the Belmont Stakes by 31 lengths.